public ValidGraphPath[] generateValidPaths(int graphValidPathCount) {
// initialize valid graph paths
ValidGraphPath[] validPaths = new ValidGraphPath[graphValidPathCount];
for (int graphIdx = 0; graphIdx < graphValidPathCount; graphIdx++) {
validPaths[graphIdx] = new ValidGraphPath(this.graphDepth);
}
List<ITypeReference> allInterfacesList = this.graphInterfaces.Keys.OfType<ITypeReference>().ToList<ITypeReference>();
PossibleNode[] currentRoundBasePossibleNodes = new PossibleNode[graphValidPathCount];
// generate valid paths
for (int idx = 0; idx < this.graphDepth; idx++) {
// initialize path element
for (int validPathIdx = 0; validPathIdx < graphValidPathCount; validPathIdx++) {
validPaths[validPathIdx].pathElements[idx] = new PathElement();
validPaths[validPathIdx].pathElements[idx].validPathId = validPathIdx;
if (idx != 0) {
validPaths[validPathIdx].pathIndices[idx] = this.prng.Next(this.graphDimension);
}
else {
// mark path index of start node as -1
validPaths[validPathIdx].pathIndices[0] = -1;
}
}
// check if it is the first element of the valid path
// => always the root for each valid path
if (idx == 0) {
// get random base class that is used to generate the valid path element (use it for all first elements of the valid paths)
ITypeReference baseInterface = allInterfacesList.ElementAt(this.prng.Next(allInterfacesList.Count()));
List<PossibleNode> baseList = (List<PossibleNode>)this.graphInterfaces[baseInterface];
PossibleNode basePossibleNode = baseList.ElementAt(this.prng.Next(baseList.Count()));
// for each valid path add a path element
for (int validPathIdx = 0; validPathIdx < graphValidPathCount; validPathIdx++) {
// get valid interface
ITypeReference firstInterface = basePossibleNode.givenClass.Interfaces.ElementAt(this.prng.Next(basePossibleNode.givenClass.Interfaces.Count()));
validPaths[validPathIdx].pathElements[idx].validInterfaces.Add(firstInterface);
// add interface to mandatory list (if it is not already in it)
if (!validPaths[0].pathElements[idx].mandatoryInterfaces.Contains(firstInterface)) {
validPaths[0].pathElements[idx].mandatoryInterfaces.Add(firstInterface);
}
// add valid interfaces to the path element
bool addAnotherInterface = true;
int addInterfaceWeight = 3;
while (addAnotherInterface) {
// decide wether to add another valid interface or not
switch (this.prng.Next(addInterfaceWeight)) {
// add another interface to the list of valid interfaces
case 0:
case 1: {
// check if there exists more interfaces that could be added to the list of valid interfaces
if (basePossibleNode.givenClass.Interfaces.Count() == validPaths[validPathIdx].pathElements[idx].validInterfaces.Count()) {
addAnotherInterface = false;
break;
}
// add a random interface that is implemented by the base possible node
int nextInterfaceIdx = this.prng.Next(basePossibleNode.givenClass.Interfaces.Count());
while (true) {
ITypeReference tempInterface = basePossibleNode.givenClass.Interfaces.ElementAt(nextInterfaceIdx);
// check if chosen interface is already added to the list of valid interfaces
// => try next interface implemented by the base possible node
if (validPaths[validPathIdx].pathElements[idx].validInterfaces.Contains(tempInterface)) {
nextInterfaceIdx = (nextInterfaceIdx + 1) % basePossibleNode.givenClass.Interfaces.Count();
}
// => add interface to list of valid interfaces
else {
validPaths[validPathIdx].pathElements[idx].validInterfaces.Add(tempInterface);
// add interface to mandatory list (if it is not already in it)
if (!validPaths[0].pathElements[idx].mandatoryInterfaces.Contains(tempInterface)) {
validPaths[0].pathElements[idx].mandatoryInterfaces.Add(tempInterface);
}
break;
}
}
break;
}
//do not add any more interfaces
default: {
addAnotherInterface = false;
break;
}
}
// make adding another invalid interface more unlikely
addInterfaceWeight++;
}
// add invalid interfaces to the path element
addAnotherInterface = true;
addInterfaceWeight = 2;
while (addAnotherInterface) {
// decide wether to add another valid interface or not
switch (this.prng.Next(addInterfaceWeight)) {
// add another interface to the list of invalid interfaces
case 0:
case 1: {
// check if there exists anymore interfaces that could be added to the list of invalid interfaces
if (allInterfacesList.Count() <= (validPaths[validPathIdx].pathElements[idx].invalidInterfaces.Count() + validPaths[validPathIdx].pathElements[idx].validInterfaces.Count())) {
if (allInterfacesList.Count() == (validPaths[validPathIdx].pathElements[idx].invalidInterfaces.Count() + validPaths[validPathIdx].pathElements[idx].validInterfaces.Count())) {
addAnotherInterface = false;
break;
}
throw new ArgumentException("The sum of valid and invalid interfaces should never be greater than the count of all interfaces.");
}
// check if there exists anymore interfaces that could be added to the list of invalid interfaces
if (allInterfacesList.Count() <= (validPaths[validPathIdx].pathElements[idx].invalidInterfaces.Count() + basePossibleNode.givenClass.Interfaces.Count())) {
if (allInterfacesList.Count() == (validPaths[validPathIdx].pathElements[idx].invalidInterfaces.Count() + basePossibleNode.givenClass.Interfaces.Count())) {
addAnotherInterface = false;
break;
}
throw new ArgumentException("The sum of implemented and invalid interfaces should never be greater than the count of all interfaces.");
}
// add a random interface that is NOT implemented by the base possible node
int nextInterfaceIdx = this.prng.Next(allInterfacesList.Count());
while (true) {
ITypeReference tempInterface = allInterfacesList.ElementAt(nextInterfaceIdx);
// check if chosen interface is NOT added to the list of invalid interfaces
// and NOT implemented by the base possible node
// => if it is try next interface of all interfaces
if (validPaths[validPathIdx].pathElements[idx].invalidInterfaces.Contains(tempInterface)
|| basePossibleNode.givenClass.Interfaces.Contains(tempInterface)) {
nextInterfaceIdx = (nextInterfaceIdx + 1) % allInterfacesList.Count();
}
// => add interface to list of invalid interfaces
else {
validPaths[validPathIdx].pathElements[idx].invalidInterfaces.Add(tempInterface);
// add interface to forbidden list (if it is not already in it)
if (!validPaths[0].pathElements[idx].forbiddenInterfaces.Contains(tempInterface)) {
validPaths[0].pathElements[idx].forbiddenInterfaces.Add(tempInterface);
}
break;
}
}
break;
}
//do not add any more interfaces
default: {
addAnotherInterface = false;
break;
}
}
// make adding another invalid interface more unlikely
addInterfaceWeight++;
}
}
}
// => not the first element of the valid paths
else {
// for each valid path add a path element
for (int validPathIdx = 0; validPathIdx < graphValidPathCount; validPathIdx++) {
// if the valid path id is not the first
// => search through all already chosen valid paths if the current path is the same until now
// and get the idx of this valid path (the first occurring is all that is needed)
int samePathIdx = -1;
if (validPathIdx != 0) {
for(int tempPathIdx = 0; tempPathIdx < validPathIdx; tempPathIdx++) {
bool samePath = true;
for(int depth = 0; depth <= idx; depth++) {
if(validPaths[tempPathIdx].pathIndices[depth] != validPaths[validPathIdx].pathIndices[depth]) {
samePath = false;
break;
}
}
if(samePath) {
samePathIdx = tempPathIdx;
break;
}
}
}
// if there does not exist a path that is the same up to this point
// => chose a random base possible node
PossibleNode basePossibleNode;
if (samePathIdx == -1) {
// get random base class that is used to generate the valid path element
ITypeReference baseInterface = allInterfacesList.ElementAt(this.prng.Next(allInterfacesList.Count()));
validPaths[validPathIdx].pathElements[idx].validInterfaces.Add(baseInterface);
List<PossibleNode> baseList = (List<PossibleNode>)this.graphInterfaces[baseInterface];
basePossibleNode = baseList.ElementAt(this.prng.Next(baseList.Count()));
// add interface to mandatory list (if it is not already in it)
if (!validPaths[validPathIdx].pathElements[idx].mandatoryInterfaces.Contains(baseInterface)) {
validPaths[validPathIdx].pathElements[idx].mandatoryInterfaces.Add(baseInterface);
}
}
// if there already exists a path
// => use the same base possible node
else {
basePossibleNode = currentRoundBasePossibleNodes[samePathIdx];
ITypeReference baseInterface = basePossibleNode.givenClass.Interfaces.ElementAt(this.prng.Next(basePossibleNode.givenClass.Interfaces.Count()));
validPaths[validPathIdx].pathElements[idx].validInterfaces.Add(baseInterface);
// add interface to mandatory list (if it is not already in it)
if (!validPaths[samePathIdx].pathElements[idx].mandatoryInterfaces.Contains(baseInterface)) {
validPaths[samePathIdx].pathElements[idx].mandatoryInterfaces.Add(baseInterface);
}
}
// add valid interfaces to the path element
bool addAnotherInterface = true;
int addInterfaceWeight = 3;
while (addAnotherInterface) {
// decide wether to add another valid interface or not
switch (this.prng.Next(addInterfaceWeight)) {
// add another interface to the list of valid interfaces
case 0:
case 1: {
// check if there exists more interfaces that could be added to the list of valid interfaces
if (basePossibleNode.givenClass.Interfaces.Count() == validPaths[validPathIdx].pathElements[idx].validInterfaces.Count()) {
addAnotherInterface = false;
break;
}
// add a random interface that is implemented by the base possible node
int nextInterfaceIdx = this.prng.Next(basePossibleNode.givenClass.Interfaces.Count());
while (true) {
ITypeReference tempInterface = basePossibleNode.givenClass.Interfaces.ElementAt(nextInterfaceIdx);
// check if chosen interface is already added to the list of valid interfaces
// => try next interface implemented by the base possible node
if (validPaths[validPathIdx].pathElements[idx].validInterfaces.Contains(tempInterface)) {
nextInterfaceIdx = (nextInterfaceIdx + 1) % basePossibleNode.givenClass.Interfaces.Count();
}
// => add interface to list of valid interfaces
else {
validPaths[validPathIdx].pathElements[idx].validInterfaces.Add(tempInterface);
// check if there exist a prior path that has an element at the same position
// => if not, add interface to list of mandatory interfaces of this path
if (samePathIdx == -1) {
if (!validPaths[validPathIdx].pathElements[idx].mandatoryInterfaces.Contains(tempInterface)) {
validPaths[validPathIdx].pathElements[idx].mandatoryInterfaces.Add(tempInterface);
}
}
// => if there is, add interface to list of mandatory interfaces of the prior path
else {
if (!validPaths[samePathIdx].pathElements[idx].mandatoryInterfaces.Contains(tempInterface)) {
validPaths[samePathIdx].pathElements[idx].mandatoryInterfaces.Add(tempInterface);
}
}
break;
}
}
break;
}
//do not add any more interfaces
default: {
addAnotherInterface = false;
break;
}
}
// make adding another invalid interface more unlikely
addInterfaceWeight++;
}
// add invalid interfaces to the path element
addAnotherInterface = true;
addInterfaceWeight = 2;
while (addAnotherInterface) {
// decide wether to add another valid interface or not
switch (this.prng.Next(addInterfaceWeight)) {
// add another interface to the list of invalid interfaces
case 0:
case 1: {
// check if there exists anymore interfaces that could be added to the list of invalid interfaces
if (allInterfacesList.Count() <= (validPaths[validPathIdx].pathElements[idx].invalidInterfaces.Count() + validPaths[validPathIdx].pathElements[idx].validInterfaces.Count())) {
if (allInterfacesList.Count() == (validPaths[validPathIdx].pathElements[idx].invalidInterfaces.Count() + validPaths[validPathIdx].pathElements[idx].validInterfaces.Count())) {
addAnotherInterface = false;
break;
}
throw new ArgumentException("The sum of valid and invalid interfaces should never be greater than the count of all interfaces.");
}
// check if there exists anymore interfaces that could be added to the list of invalid interfaces
if (allInterfacesList.Count() <= (validPaths[validPathIdx].pathElements[idx].invalidInterfaces.Count() + basePossibleNode.givenClass.Interfaces.Count())) {
if (allInterfacesList.Count() == (validPaths[validPathIdx].pathElements[idx].invalidInterfaces.Count() + basePossibleNode.givenClass.Interfaces.Count())) {
addAnotherInterface = false;
break;
}
throw new ArgumentException("The sum of implemented and invalid interfaces should never be greater than the count of all interfaces.");
}
// add a random interface that is NOT implemented by the base possible node
int nextInterfaceIdx = this.prng.Next(allInterfacesList.Count());
while (true) {
ITypeReference tempInterface = allInterfacesList.ElementAt(nextInterfaceIdx);
// check if chosen interface is NOT added to the list of invalid interfaces
// and NOT implemented by the base possible node
// => if it is try next interface of all interfaces
if (validPaths[validPathIdx].pathElements[idx].invalidInterfaces.Contains(tempInterface)
|| basePossibleNode.givenClass.Interfaces.Contains(tempInterface)) {
nextInterfaceIdx = (nextInterfaceIdx + 1) % allInterfacesList.Count();
}
// => add interface to list of invalid interfaces
else {
validPaths[validPathIdx].pathElements[idx].invalidInterfaces.Add(tempInterface);
// check if there exist a prior path that has an element at the same position
// => if not, add interface to list of forbidden interfaces of this path
if (samePathIdx == -1) {
if (!validPaths[validPathIdx].pathElements[idx].forbiddenInterfaces.Contains(tempInterface)) {
validPaths[validPathIdx].pathElements[idx].forbiddenInterfaces.Add(tempInterface);
}
}
// => if there is, add interface to list of forbidden interfaces of the prior path
else {
if (!validPaths[samePathIdx].pathElements[idx].forbiddenInterfaces.Contains(tempInterface)) {
validPaths[samePathIdx].pathElements[idx].forbiddenInterfaces.Add(tempInterface);
}
}
break;
}
}
break;
}
//do not add any more interfaces
default: {
addAnotherInterface = false;
break;
}
}
// make adding another invalid interface more unlikely
addInterfaceWeight++;
}
// add current base possible node to the current round base possible nodes
currentRoundBasePossibleNodes[validPathIdx] = basePossibleNode;
}
}
}
// set all mandatory and forbidden interfaces lists of all nodes that lie on the same path
for (int idx = 0; idx < this.graphDepth; idx++) {
for (int validPathIdx = 1; validPathIdx < graphValidPathCount; validPathIdx++) {
// search through all prior valid paths if the current path is the same until now
// and get the idx of this valid path (the first occurring is all that is needed)
int samePathIdx = -1;
for (int tempPathIdx = 0; tempPathIdx < validPathIdx; tempPathIdx++) {
bool samePath = true;
for (int depth = 0; depth <= idx; depth++) {
if (validPaths[tempPathIdx].pathIndices[depth] != validPaths[validPathIdx].pathIndices[depth]) {
samePath = false;
break;
}
}
if (samePath) {
samePathIdx = tempPathIdx;
break;
}
}
// if a path was found which is the same up to the current point
// => set the mandatory and forbidden list to the lists of the found path
if (samePathIdx != -1) {
validPaths[validPathIdx].pathElements[idx].mandatoryInterfaces = validPaths[samePathIdx].pathElements[idx].mandatoryInterfaces;
validPaths[validPathIdx].pathElements[idx].forbiddenInterfaces = validPaths[samePathIdx].pathElements[idx].forbiddenInterfaces;
}
}
}
return validPaths;
}
// this function adds the created iNode interface to the class and also implements all neded functions
public void addNodeInterfaceToTargetClass(NamespaceTypeDefinition givenClass) {
this.logger.writeLine("");
this.logger.writeLine("Add node interface \"" + this.nodeInterface.ToString() + "\" to class \"" + givenClass.ToString() + "\"");
// check if generated interface was already added to target class
if (givenClass.Interfaces != null
&& givenClass.Interfaces.Contains(this.nodeInterface)) {
this.logger.writeLine("Class \"" + givenClass.ToString() + "\" already contains node interface \"" + this.nodeInterface.ToString() + "\"");
return;
}
// add nodes interface to class
if (givenClass.Interfaces != null) {
givenClass.Interfaces.Add(this.nodeInterface);
}
else {
givenClass.Interfaces = new List<ITypeReference>();
givenClass.Interfaces.Add(this.nodeInterface);
}
// add start pointer field
FieldDefinition startPointerField = new FieldDefinition();
startPointerField.IsCompileTimeConstant = false;
startPointerField.IsNotSerialized = false;
startPointerField.IsReadOnly = false;
startPointerField.IsRuntimeSpecial = false;
startPointerField.IsSpecialName = false;
startPointerField.Type = this.nodeInterface;
startPointerField.IsStatic = false;
startPointerField.Visibility = TypeMemberVisibility.Public;
startPointerField.Name = host.NameTable.GetNameFor("startPointer");
startPointerField.InternFactory = host.InternFactory;
startPointerField.ContainingTypeDefinition = givenClass;
if (givenClass.Fields != null) {
givenClass.Fields.Add(startPointerField);
}
else {
givenClass.Fields = new List<IFieldDefinition>();
givenClass.Fields.Add(startPointerField);
}
// create getter for the startPointer variable
MethodDefinition startPointerGetMethod = this.helperClass.createNewMethod("startPointer_get", givenClass, this.nodeInterface, TypeMemberVisibility.Public, null, CallingConvention.HasThis, false, false, true); // TODO: method name
// create a body for the getter method
ILGenerator ilGenerator = new ILGenerator(host, startPointerGetMethod);
ilGenerator.Emit(OperationCode.Ldarg_0);
ilGenerator.Emit(OperationCode.Ldfld, startPointerField);
ilGenerator.Emit(OperationCode.Ret);
IMethodBody body = new ILGeneratorMethodBody(ilGenerator, true, 1, startPointerGetMethod, Enumerable<ILocalDefinition>.Empty, Enumerable<ITypeDefinition>.Empty);
startPointerGetMethod.Body = body;
// create setter for the startPointer variable
List<IParameterDefinition> parameters = new List<IParameterDefinition>();
ParameterDefinition parameter = new ParameterDefinition();
parameter.IsIn = false;
parameter.IsOptional = false;
parameter.IsOut = false;
parameter.Name = host.NameTable.GetNameFor("value");
parameter.Type = this.nodeInterface;
parameters.Add(parameter);
MethodDefinition startPointerSetMethod = this.helperClass.createNewMethod("startPointer_set", givenClass, host.PlatformType.SystemVoid, TypeMemberVisibility.Public, parameters, CallingConvention.HasThis, false, false, true); // TODO: method name
// create a body for the setter method
ilGenerator = new ILGenerator(host, startPointerSetMethod);
ilGenerator.Emit(OperationCode.Ldarg_0);
ilGenerator.Emit(OperationCode.Ldarg_1);
ilGenerator.Emit(OperationCode.Stfld, startPointerField);
ilGenerator.Emit(OperationCode.Ret);
body = new ILGeneratorMethodBody(ilGenerator, true, 1, startPointerSetMethod, Enumerable<ILocalDefinition>.Empty, Enumerable<ITypeDefinition>.Empty);
startPointerSetMethod.Body = body;
// add childNodes array field
FieldDefinition childNodesField = new FieldDefinition();
childNodesField.IsCompileTimeConstant = false;
childNodesField.IsNotSerialized = false;
childNodesField.IsReadOnly = false;
childNodesField.IsRuntimeSpecial = false;
childNodesField.IsSpecialName = false;
// create array of node interface type
VectorTypeReference nodeInterfaceArrayType = new VectorTypeReference();
nodeInterfaceArrayType.ElementType = this.nodeInterface;
nodeInterfaceArrayType.Rank = 1;
nodeInterfaceArrayType.IsFrozen = true;
nodeInterfaceArrayType.IsValueType = false;
nodeInterfaceArrayType.InternFactory = host.InternFactory;
childNodesField.Type = nodeInterfaceArrayType;
childNodesField.IsStatic = false;
childNodesField.Visibility = TypeMemberVisibility.Public;
childNodesField.Name = host.NameTable.GetNameFor("childNodes");
childNodesField.InternFactory = host.InternFactory;
childNodesField.ContainingTypeDefinition = givenClass;
givenClass.Fields.Add(childNodesField);
// create getter for the childNodes variable
parameters = new List<IParameterDefinition>();
// int parameter
parameter = new ParameterDefinition();
parameter.IsIn = false;
parameter.IsOptional = false;
parameter.IsOut = false;
parameter.Type = this.host.PlatformType.SystemInt32;
parameters.Add(parameter);
MethodDefinition childNodesGetMethod = this.helperClass.createNewMethod("childNodes_get", givenClass, this.nodeInterface, TypeMemberVisibility.Public, parameters, CallingConvention.HasThis, false, false, true); // TODO: method name
// create a body for the getter method
ilGenerator = new ILGenerator(host, childNodesGetMethod);
ilGenerator.Emit(OperationCode.Ldarg_0);
ilGenerator.Emit(OperationCode.Ldfld, childNodesField);
ilGenerator.Emit(OperationCode.Ldarg_1);
ilGenerator.Emit(OperationCode.Ldelem_Ref);
ilGenerator.Emit(OperationCode.Ret);
body = new ILGeneratorMethodBody(ilGenerator, true, 1, childNodesGetMethod, Enumerable<ILocalDefinition>.Empty, Enumerable<ITypeDefinition>.Empty);
childNodesGetMethod.Body = body;
// create setter for the childNodes variable
parameters = new List<IParameterDefinition>();
// iNode parameter
parameter = new ParameterDefinition();
parameter.IsIn = false;
parameter.IsOptional = false;
parameter.IsOut = false;
parameter.Type = this.nodeInterface;
parameters.Add(parameter);
// int parameter
parameter = new ParameterDefinition();
parameter.IsIn = false;
parameter.IsOptional = false;
parameter.IsOut = false;
parameter.Type = this.host.PlatformType.SystemInt32;
parameters.Add(parameter);
MethodDefinition childNodesSetMethod = this.helperClass.createNewMethod("childNodes_set", givenClass, host.PlatformType.SystemVoid, TypeMemberVisibility.Public, parameters, CallingConvention.HasThis, false, false, true); // TODO: method name
// create a body for the setter method
ilGenerator = new ILGenerator(host, childNodesSetMethod);
ilGenerator.Emit(OperationCode.Ldarg_0);
ilGenerator.Emit(OperationCode.Ldfld, childNodesField);
ilGenerator.Emit(OperationCode.Ldarg_2);
ilGenerator.Emit(OperationCode.Ldarg_1);
ilGenerator.Emit(OperationCode.Stelem_Ref);
ilGenerator.Emit(OperationCode.Ret);
body = new ILGeneratorMethodBody(ilGenerator, true, 1, childNodesSetMethod, Enumerable<ILocalDefinition>.Empty, Enumerable<ITypeDefinition>.Empty);
childNodesSetMethod.Body = body;
// add current node field
FieldDefinition currentNodeField = new FieldDefinition();
currentNodeField.IsCompileTimeConstant = false;
currentNodeField.IsNotSerialized = false;
currentNodeField.IsReadOnly = false;
currentNodeField.IsRuntimeSpecial = false;
currentNodeField.IsSpecialName = false;
currentNodeField.Type = this.nodeInterface;
currentNodeField.IsStatic = false;
currentNodeField.Visibility = TypeMemberVisibility.Public;
currentNodeField.Name = host.NameTable.GetNameFor("currentNode");
currentNodeField.InternFactory = host.InternFactory;
currentNodeField.ContainingTypeDefinition = givenClass;
givenClass.Fields.Add(currentNodeField);
// create getter for the currentNode variable
MethodDefinition currentNodeGetMethod = this.helperClass.createNewMethod("currentNode_get", givenClass, this.nodeInterface, TypeMemberVisibility.Public, null, CallingConvention.HasThis, false, false, true); // TODO: method name
// create a body for the getter method
ilGenerator = new ILGenerator(host, currentNodeGetMethod);
ilGenerator.Emit(OperationCode.Ldarg_0);
ilGenerator.Emit(OperationCode.Ldfld, currentNodeField);
ilGenerator.Emit(OperationCode.Ret);
body = new ILGeneratorMethodBody(ilGenerator, true, 1, currentNodeGetMethod, Enumerable<ILocalDefinition>.Empty, Enumerable<ITypeDefinition>.Empty);
currentNodeGetMethod.Body = body;
// create setter for the currentNode variable
parameters = new List<IParameterDefinition>();
parameter = new ParameterDefinition();
parameter.IsIn = false;
parameter.IsOptional = false;
parameter.IsOut = false;
parameter.Name = host.NameTable.GetNameFor("value");
parameter.Type = this.nodeInterface;
parameters.Add(parameter);
MethodDefinition currentNodeSetMethod = this.helperClass.createNewMethod("currentNode_set", givenClass, host.PlatformType.SystemVoid, TypeMemberVisibility.Public, parameters, CallingConvention.HasThis, false, false, true); // TODO: method name
// create a body for the setter method
ilGenerator = new ILGenerator(host, currentNodeSetMethod);
ilGenerator.Emit(OperationCode.Ldarg_0);
ilGenerator.Emit(OperationCode.Ldarg_1);
ilGenerator.Emit(OperationCode.Stfld, currentNodeField);
ilGenerator.Emit(OperationCode.Ret);
body = new ILGeneratorMethodBody(ilGenerator, true, 1, currentNodeSetMethod, Enumerable<ILocalDefinition>.Empty, Enumerable<ITypeDefinition>.Empty);
currentNodeSetMethod.Body = body;
// check if debugging is activated
// => add graph debugging attributes and methods
MethodDefinition objectIdGetMethod = null;
FieldDefinition objectIdField = null;
if (this.debugging) {
this.logger.writeLine("Debugging activated: Adding field for unique object id and getter method");
// add objectId field
objectIdField = new FieldDefinition();
objectIdField.IsCompileTimeConstant = false;
objectIdField.IsNotSerialized = false;
objectIdField.IsReadOnly = false;
objectIdField.IsRuntimeSpecial = false;
objectIdField.IsSpecialName = false;
objectIdField.Type = this.host.PlatformType.SystemString;
objectIdField.IsStatic = false;
objectIdField.Name = host.NameTable.GetNameFor("DEBUG_objectId");
objectIdField.Visibility = TypeMemberVisibility.Public;
objectIdField.InternFactory = host.InternFactory;
objectIdField.ContainingTypeDefinition = givenClass;
givenClass.Fields.Add(objectIdField);
// create getter for the objectId variable
objectIdGetMethod = this.helperClass.createNewMethod("DEBUG_objectId_get", givenClass, this.host.PlatformType.SystemString, TypeMemberVisibility.Public, null, CallingConvention.HasThis, false, false, true); // TODO: method name
// create a body for the getter method
ilGenerator = new ILGenerator(host, objectIdGetMethod);
ilGenerator.Emit(OperationCode.Ldarg_0);
ilGenerator.Emit(OperationCode.Ldfld, objectIdField);
ilGenerator.Emit(OperationCode.Ret);
body = new ILGeneratorMethodBody(ilGenerator, true, 1, objectIdGetMethod, Enumerable<ILocalDefinition>.Empty, Enumerable<ITypeDefinition>.Empty);
objectIdGetMethod.Body = body;
}
// add .ctor(iNode) to target class
parameters = new List<IParameterDefinition>();
parameter = new ParameterDefinition();
parameter.IsIn = false;
parameter.IsOptional = false;
parameter.IsOut = false;
parameter.Type = this.nodeInterface;
parameters.Add(parameter);
MethodDefinition nodeConstructor = this.helperClass.createNewMethod(".ctor", givenClass, host.PlatformType.SystemVoid, TypeMemberVisibility.Public, parameters, CallingConvention.HasThis, false, false, false);
nodeConstructor.IsSpecialName = true;
nodeConstructor.IsHiddenBySignature = true;
nodeConstructor.IsRuntimeSpecial = true;
// generate node constructor body
ilGenerator = new ILGenerator(host, currentNodeSetMethod);
// create local variable list
List<ILocalDefinition> localVariables = new List<ILocalDefinition>();
// call system.object constructor
ilGenerator.Emit(OperationCode.Ldarg_0);
ilGenerator.Emit(OperationCode.Call, this.helperClass.objectCtor);
// initialize childNodes array
ilGenerator.Emit(OperationCode.Ldarg_0);
ilGenerator.Emit(OperationCode.Ldc_I4, this.graphDimension);
ilGenerator.Emit(OperationCode.Newarr, nodeInterfaceArrayType);
ilGenerator.Emit(OperationCode.Stfld, childNodesField);
// check if debugging is activated
// => add code to constructor that generates a unique id for this object
if (this.debugging) {
this.logger.writeLine("Debugging activated: Adding code to generate unique id to node constructor");
// create local integer variable needed for debugging code
LocalDefinition intLocal = new LocalDefinition();
intLocal.IsReference = false;
intLocal.IsPinned = false;
intLocal.IsModified = false;
intLocal.Type = this.host.PlatformType.SystemInt32;
intLocal.MethodDefinition = nodeConstructor;
localVariables.Add(intLocal);
// use the hash code of this instance as unique object id
ilGenerator.Emit(OperationCode.Ldarg_0);
ilGenerator.Emit(OperationCode.Ldarg_0);
ilGenerator.Emit(OperationCode.Callvirt, this.helperClass.objectGetHashCode);
ilGenerator.Emit(OperationCode.Stloc, intLocal);
// cast random integer to string and store in object id
ilGenerator.Emit(OperationCode.Ldloca, intLocal);
ilGenerator.Emit(OperationCode.Call, this.helperClass.int32ToString);
ilGenerator.Emit(OperationCode.Stfld, objectIdField);
}
ilGenerator.Emit(OperationCode.Ret);
body = new ILGeneratorMethodBody(ilGenerator, true, 8, nodeConstructor, localVariables, Enumerable<ITypeDefinition>.Empty);
nodeConstructor.Body = body;
// add class to the list of possible nodes for the graph
PossibleNode tempStruct = new PossibleNode();
tempStruct.nodeConstructor = nodeConstructor;
tempStruct.givenClass = givenClass;
// for each interface the class implements add it to the according list
foreach (ITypeReference interfaceRef in givenClass.Interfaces) {
this.logger.writeLine("Add class \"" + givenClass.ToString() + "\" to graph interface list \"" + interfaceRef.ToString() + "\"");
// check if a list with this interface already exists
// => if it does just add current class to list
if (this.graphInterfaces.ContainsKey(interfaceRef)) {
List<PossibleNode> tempList = (List<PossibleNode>)this.graphInterfaces[interfaceRef];
tempList.Add(tempStruct);
}
// if not => add new list for this interface
else {
List<PossibleNode> tempList = new List<PossibleNode>();
tempList.Add(tempStruct);
this.graphInterfaces.Add(interfaceRef, tempList);
}
}
this.logger.writeLine("");
}